Episode 636 (Se 33 Ep 12) – Steve Carell/Usher

Live from New York, it's... Steve Carell!
Sketches include "Pounder School Commencement Ceremony," "The Democratic Primaries," "Deal or No Deal," "Two A-Holes Do Karaoke," "The Japanese Office" (Digital Short), "McCain 2008," "The Charlie Flitt Show," "American Red Cross," and "Bless This Child."
Usher performed "This Ain't Sex" and "Love in This Club, Part 1" (featuring Young Jeezy).

Episode 635 (Se 33 Ep 11) – Shia Lebeouf/My Morning Jacket

Live from New York, it's... Amy Poehler!
Sketches include "Clinton's Strong Points," "MacGruber" (three parts), "It's A Match," "Scared Straight," "The Suze Orman Show," "The Best Look in the World" (Digital Short), "La Rivista Della Televisione," "Don't Look," and "New York Funky Style."
My Morning Jacket performed "I'm Amazed" and "Evil Urges."

Episode 634 (Se 33 Ep 10) – Ashton Kutcher/Gnarls Barkley

Live from New York, it's... Will Forte!
Sketches include "General Petraeus Hearings," "The Cougar Den," "Outside the Nightclub," "Daiquiri Girl" (Digital Short), "Activia Commercial Shoot," "Amie," "Death by Chocolate" (three parts), "The Mellow Show," and "Paraplegic Exotic Dancer."
Gnarls Barkley performed "Run" and "Who's Gonna Save My Soul."

Episode 633 (Se 33 Ep 9) – Christopher Walken/Panic at the Disco

Live from New York, it's... Darrell Hammond and Amy Poehler!
Sketches include "The Clintons' Income," "Annuale," "Grease Rehearsals," "Kevin's Farewell Party," "Laser Cats 3-D" (Digital Short), "Excited Sue," "Walken Family Reunion," "Indoor Gardening Tips," "Top Chef," and "Larry King Live."
Panic at the Disco performed "Nine in the Afternoon" and "I Write Sins, Not Tragedies."

Episode 632 (Se 33 Ep 8) – Jonah Hill/Mariah Carey

Live from New York, it's... Bill Hader!
Sketches include "Spitzer & Associates," "MacGruber" (two parts), "What's Your Situation?," "Adam Grossman at Benihana," "The Suze Orman Show," "Andy's Dad" (Digital Short), "Target Greatland," "NBC Special Report," "Clancy & Jackie," and "Internet Date."
Mariah Carey performed "Touch My Body" and "Migrate" (featuring T-Pain).

Episode 631 (Se 33 Ep 7) – Amy Adams/Vampire Weekend

Live from New York, it's... Amy Poehler!
Sketches include "Clinton Attack Ad," "Mirror Image," "Green Card Couple Therapy," "A New Superhero" (Digital Short), "Fierce: The Hot Mess Makeover Show," "Penelope in Driving" "Dr. Uncle Jimmy's," "Roger Clemens Presents," "The Best of the Tookie Stiles Show," and "Dancing Galpals."
Vampire Weekend performed "A-Punk" and "M79."

Episode 630 (Se 33 Ep 6) – Ellen Page/Wilco

Live from New York, it's... Senator Hillary Rodham Clinton!
Sketches include "MSNBC Democratic Debate," "Clinton's Response," "The Dakota Fanning Show," "The Obama Files" (cartoon), "The College for Excellence," "The Other Boleyn Girls," "Nightmares" (Digital Short), "Shopping with Virginiaca," "The Continuing Adventures of Peter Pan," and "Melissa Etheridge Concert."
Wilco performed "Hate It Here" and "Walken."

Episode 629 (Se 33 Ep 5) – Tina Fey/Carrie Underwood

Live from New York, it's... Kristen Wiig!
Sketches include "CNN-Univision Democratic Debate," "Annuale," "Rock of Love 2," "A Message for Old People" (Digital Short), "What's That Bitch Talking About?," "Celebrity Apprentice," "Ed Mahoney's Speech," "Virgania Harsen's Hot Air Balloons," "I Drink Your Milkshake," and "Lady Business."
Carrie Underwood performed "All-American Girl" and "Flat on the Floor."

Episode 628 (Se 33 Ep 4) – Brian Williams/Feist

Live from New York, it's... Senator Barack Obama!
Sketches include "Clintons' Halloween Party, "Maybelline for Men," "Bronx Beat," "Reilly's Way," "Publishers' Clearinghouse," "A Day in the Life of Brian Williams" (digital short), "Larry King Live," "iPhone," "Drexel University Debate," and "Dunham & Kirk."
Feist performed "1-2-3-4" and "I Feel It All."

Episode 627 (Se 33 Ep 3) – Jon Bon Jovi/Foo Fighters

Live from New York, it's... Amy Poehler!
Sketches include "Burlington, VT 1987," "Ohhhhh!," "A Visit with Former Vice President Al Gore," "People Getting Punched Before Eating" (Digital Short), "Actober.com (ALCS)," "La Rivista Della Televisione," "The Captain's Purse," "Actober.com (NLCS)," "Notre Dame Football," "Natural Disaster," and "Iconoclasts."
Bon Jovi performed "Lost Highway" and "Who Says You Can't Go Home"; Foo Fighters performed "The Pretender."